TRAILS END TR PARK HELENA
PWS ID: MT0000605 · HELENA, Montana 59602
Population Served
35
Total Violations
410
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 15
- County
- Lewis and Clark
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 385
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 12 | 2021 |
| Coliform (TCR) | MCL | 8 | 1995 |
| Consumer Confidence Rule | Other | 7 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2017 |
| cis-1,2-Dichloroethylene | MR | 7 | 2017 |
| Xylenes, Total | MR | 7 | 2017 |
| o-Dichlorobenzene | MR | 7 | 2017 |
| p-Dichlorobenzene | MR | 7 | 2017 |
| Vinyl chloride | MR | 7 | 2017 |
| trans-1,2-Dichloroethylene | MR | 7 | 2017 |
| 1,2-Dichloroethane | MR | 7 | 2017 |
| Carbon tetrachloride | MR | 7 | 2017 |
| 1,2-Dichloropropane | MR | 7 | 2017 |
| Trichloroethylene | MR | 7 | 2017 |
| 1,1,2-Trichloroethane | MR | 7 | 2017 |
| Benzene | MR | 7 | 2017 |
| Ethylbenzene | MR | 7 | 2017 |
| Endrin | MR | 7 | 2017 |
| BHC-GAMMA | MR | 7 | 2017 |
| Methoxychlor | MR | 7 | 2017 |
| OXAMYL | MR | 7 | 2017 |
| Picloram | MR | 7 | 2017 |
| Dinoseb | MR | 7 | 2017 |
| Atrazine | MR | 7 | 2017 |
| LASSO | MR | 7 | 2017 |
| Heptachlor | MR | 7 | 2017 |
| Heptachlor epoxide | MR | 7 | 2017 |
| 2,4-D | MR | 7 | 2017 |
| Benzo(a)pyrene | MR | 7 | 2017 |
| Pentachlorophenol | MR | 7 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.